Reading and Setting the Real Time Clock
Most devices contain circuitry that can keep track of time, date, month, and year (even when power is removed.) Use Query the Hardware Real-Time Clock to display the date and time to which the hardware is set.
The Set option displays the following dialog:
Select the day, hour, minute or seconds to change the setting. Choose a different month with the uppermost arrow keys. The lower arrows raise or lower the selected time value.